Benzinga's Top #PreMarket Gainers

Myriad Genetics

soared 14.79% to $31.20 in the pre-market trading after the company reported upbeat fiscal second-quarter results and lifted its revenue outlook for the year. Myriad also bought Crescendo Bioscience for $270 million. Omeros

shares gained 9.16% to $12.27 in the pre-market after the company received the FDA Fast Track designation for OMS824 Huntington's disease program. Ryanair Holdings plc

shares jumped 3.34% to $50.81 in pre-market trading after gaining 2.18% on Tuesday. Merck & Co

surged 2.04% to $54.60 in the pre-market session after the company reported Q4 results.